X-Git-Url: https://ruin.nu/git/?a=blobdiff_plain;f=src%2Fsortaction.h;h=66c337ca625cac468b113debc86c1cd224029a76;hb=6ed5c4682ee599c7d03d8c67dcca3ac4033a63ec;hp=d1a3f7bca68e3fe5a11c94631f117123c10295fe;hpb=3fff88637ec7e806f19e613051f31ca5178d2cf5;p=germs.git

diff --git a/src/sortaction.h b/src/sortaction.h
index d1a3f7b..66c337c 100644
--- a/src/sortaction.h
+++ b/src/sortaction.h
@@ -22,6 +22,7 @@
 #define __SORTACTION_H__
 
 #include <tr1/memory>
+#include <string>
 class GeneOrder;
 /**
  * Abstraction of a sort action, all child actions has to be immutable.
@@ -38,6 +39,15 @@ class SortAction{
 		 */
 		SortAction(SortAction* sa): _action(sa){
 		}
+
+		SortAction(const SortAction& sa): _action(sa._action){
+		}
+
+		virtual const SortAction& operator=(const SortAction& sa){
+			if (this != &sa)
+				_action = sa._action;
+			return *this;
+		}
 		
 		virtual ~SortAction(){};
 
@@ -54,6 +64,13 @@ class SortAction{
 		virtual bool operator==(const SortAction& sa) const{
 			return (*_action) == (sa._action.get() == 0 ? sa : *sa._action);
 		}
+		
+		/**
+		 * Gives a string representation of the action, for output
+		 */
+		virtual std::string toString() const{
+			return _action->toString();
+		}
 	private:
 		ActionPointer _action;